Insider holders · CIK 0001755237
Korsana Biosciences, Inc. · KRSA
Every insider with a reported Table I holding at this company, ranked by their last-reported share count. A balance is only as fresh as its filing — the report date sits next to every row on purpose. ← Back to activity
| Insider | Direct shares | Indirect shares | Total reported | Last report (ET) | From |
|---|---|---|---|---|---|
| Nimish P ShahDirector | — | 4,549,585 | 4,549,585 | Sep 10, 2026 · 5:29 pm EDT | Form 3 |
| Fairmount Healthcare Co-Invest VI L.P.Director | — | 2,192,555 | 2,192,555 | Sep 10, 2026 · 5:30 pm EDT | Form 3 |
| Tomas KiselakDirector | — | 2,192,555 | 2,192,555 | Sep 10, 2026 · 5:30 pm EDT | Form 3 |
| Fairmount Funds Management LLCDirector | — | 2,192,555 | 2,192,555 | Sep 10, 2026 · 5:30 pm EDT | Form 3 |
| Fairmount Healthcare Fund II L.P.Director | — | 2,192,555 | 2,192,555 | Sep 10, 2026 · 5:30 pm EDT | Form 3 |
| Peter Evan HarwinDirector | — | 2,192,555 | 2,192,555 | Sep 10, 2026 · 5:30 pm EDT | Form 3 |
| Peter M HechtDirector | 910,240 | 24 | 910,264 | Jul 20, 2026 · 5:04 pm EDT | Form 4 |
| Jonathan ViolinSee Remarks | 207,400 | — | 207,400 | Sep 10, 2026 · 5:36 pm EDT | Form 3 |
| Regina Margaret GraulSee Remarks | 107,523 | — | 107,523 | Aug 18, 2026 · 5:21 pm EDT | Form 4 |
| Rhonda M. ChickoChief Financial Officer | 25,018 | — | 25,018 | Aug 18, 2026 · 5:27 pm EDT | Form 4 |
Balances come from each insider’s most recent filing that reports a Table I holding; an insider who left the company years ago still appears with their last-known figure and its date. Indirect totals collapse multiple vehicles (trusts, LLCs) into one number — open the filing for the breakdown. Shares as filed, not split-adjusted.